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2. If the capacitor in Q 1 is charged to a potential difference of 12 V, then discharged through an 0.8 MΩ resistance as shown?
C= 5 uF, R=0.8M
1 AnswerPhysics1 month ago2. If the capacitor in Q 1 is charged to a potential difference of 12 V, then discharged through an 0.8 MΩ resistance as shown?
a- What is the time constant of the circuit?
b- What is the initial charge on the capacitor?
c- Find the voltage across the capacitor after one time constant.
d- What is the final charge on the capacitor after very long time?
1 AnswerPhysics1 month ago1. Study the circuit shown and answer the following questions (the capacitor is completely discharged at t=0) 'R=0.8 M OHM' 'C=5uF'?
b- What is the voltage across the capacitor immediately after the switch is closed?
c- What is the voltage across the resistor immediately after the switch is closed?
d- Calculate the charge on the capacitor after one time constant.
e- What is the final charge on the capacitor after very long time?
1 AnswerPhysics1 month agoA parallel-plate capacitor C=245 µF has a charge Q= 980 µC. The plates are 0.328 mm apart.?
a- What is the potential difference between the plates?
b- Find the area of each plate.
c- What is the electric field between the plates?
d- Calculate the surface charge density (σ) on each plate.
1 AnswerPhysics2 months agoUse the circuit shown to answer the following questions:?
a) Write KCL at points B&F
At B:At F:b) Write KVL for the following Loops :Loop BGFB:Loop BCDGB:Loop AFGA:3. Solve the equations simultaneously to determine the real values for i1, i2, i3. Hint : no need to convert the resistance from K Ω to Ω . The answer directly will be in mA.I1=I2=I3=4. Determine the voltage across each resistance:V 3.3kΩ =V1.8kΩ =V5.6kΩ=( THE LAST 2 QUESTIONS ARE NOT IN THE PICTURE SO I WROTE THEM ABOVE, THANK U FOR HELPING)
1 AnswerPhysics2 months agoierces the Gaussian cube of edge length 0.420 m and positioned as shown in the figure. (The magnitu?
READ THE SCREENSHOT THE TEXT IS MESSED
An electric field given by
→E = 7.7ˆi - 8.7(y2 + 6.7)ˆj pierces the Gaussian cube of edge length 0.420 m and positioned as shown in the figure. (The magnitude E is in newtons per coulomb and the position x is in meters.) What is the electric flux through the (a) top face, (b) bottom face, (c) left face, and (d) back face? (e) What is the net electric flux through the cube
2 AnswersPhysics2 months agoThe figure shows a spherical shell with uniform volume charge density ρ = 1.91 nC/m^3, inner radius a = 12.8 cm, and outer radius b =?
The figure shows a spherical shell with uniform volume charge density ρ = 1.91 nC/m^3, inner radius a = 12.8 cm, and outer radius b = 2.8a. What is the magnitude of the electric field at radial distances (a) r = 0; (b) r = a/2.00, (c) r = a, (d) r = 1.50a, (e) r = b, and (f) r = 3.00b?
1 AnswerPhysics2 months agoThe figure shows two nonconducting spherical shells fixed in place on an x axis. Shell 1 has uniform surface charge density 3.50 μC/m2 ?
The figure shows two nonconducting spherical shells fixed in place on an x axis. Shell 1 has uniform surface charge density 3.50 μC/m2 on its outer surface and radius 0.100 cm, and shell 2 has uniform surface charge density -2.50 μC/m2 on its outer surface and radius 2.20 cm; the centers are separated by L= 10.0 cm. Other than at x = ∞, where on the x axis is the net electric field equal to zero?
Physics2 months agoIn part (a) of the figure an electron is shot directly away from a uniformly charged plastic sheet, at speed vs = 1.80 × 10^5 m/s.?
In part (a) of the figure an electron is shot directly away from a uniformly charged plastic sheet, at speed vs = 1.80 × 10^5m/s. The sheet is nonconducting, flat, and very large. Part (b) of the figure gives the electron's vertical velocity component v versus time t until the return to the launch point. What is the sheet's surface charge density?
1 AnswerPhysics2 months agoIn the figure short sections of two very long parallel lines of charge are shown, fixed in place, separated by L = 20.0 cm. The uniform li?
In the figure short sections of two very long parallel lines of charge are shown, fixed in place, separated by L = 20.0 cm. The uniform linear charge densities are +6.5 μC/m for line 1 and -3.8 μC/m for line 2. Where along the x axis shown is the net electric field from the two lines zero?
Physics2 months ago3. A sinusoidal wave of Vmax = 10 V and T= 40 ms periodic time, Calculate the following: a) Veff=Vrmsof this wave:?
3. A sinusoidal wave of Vmax = 10 V and T= 40 ms periodic time,
Calculate the following:
a) Veff=Vrmsof this wave:
b) The frequency f :
c) Write the equation of this wave using V=Vmax sin [ (2πf)]t
4. For the sinusoidal wave shown, if the Attenuator Key (Voltage Key) is at (4V/div) position and the position of Time Base Key is at (5 ms/div).
a- Find Vpp
b- FindVmax.
c- Calculate the effective value of the voltage Veff
d- Find the periodic time T
e- Find the frequency f of the wave.
f- Write the equation for this signal using V=Vmax sin [ (2πf)]t
Homework Help2 months ago4. Two resistors R1 and R2, when connected in series; their equivalent is 20 Ω , and when connected in parallel; their equivalent is 4.8 ?
4. Two resistors R1 and R2, when connected in series; their equivalent is 20 Ω , and when connected in parallel; their equivalent is 4.8 Ω. What are the values of R1 and R2?
5 AnswersPhysics3 months agoTwo particles are fixed to an x axis: particle 1 of charge -6.60 × 10^-7 C is at the origin and particle 2 of charge +6.60 × 10^-7 C is at?
Two particles are fixed to an x axis: particle 1 of charge -6.60 × 10^-7 C is at the origin and particle 2 of charge +6.60 × 10^-7 C is at x2 = 17.5 cm. Midway between the particles, what is the magnitude of the net electric field?
1 AnswerPhysics3 months agoTwo equally charged particles, held 3.6 × 10^-3 m apart, are released from rest.?
Two equally charged particles, held 3.6 × 10^-3 m apart, are released from rest. The initial acceleration of the first particle is observed to be 5.4 m/s^2 and that of the second to be 10 m/s^2. If the mass of the first particle is 8.6 × 10^-7 kg, what are (a) the mass of the second particle and (b) the magnitude of the charge of each particle?
PLEASE CLEAR ANSWERS WITH UNITS THANKS
1 AnswerPhysics3 months agoThe figure gives the acceleration of a 3.0 kg particle as an applied force moves it from rest along an x axis from x = 0 to x = 9.0 m.HELP?
The figure gives the acceleration of a 3.0 kg particle as an applied force moves it from rest along an x axis from x = 0 to x = 9.0 m. The scale of the figure's vertical axis is set by as = 9.0 m/s2. How much work has the force done on the particle when the particle reaches (a) x = 4.0 m, (b) x = 7.0 m, and (c) x = 9.0 m? What is the particle's speed and direction (give positive answer if the particle moves along x axis in positive direction and negative otherwise) of travel when it reaches (d) x = 4.0 m, (e) x = 7.0 m, and (f) x = 9.0 m?
1 AnswerPhysics1 year agoThe figure shows three forces applied to a trunk that moves leftward by 3.26 m over a frictionless floor. The force magnitudes are F1 = 4.85?
The figure shows three forces applied to a trunk that moves leftward by 3.26 m over a frictionless floor. The force magnitudes are F1 = 4.85 N, F2 = 9.33 N, and F3 = 2.92 N, and the indicated angle is θ = 60°. (a) During the displacement, what is the net work done on the trunk by the three applied forces, the gravitational force, and the normal force? (b) Is there a net transfer of energy to or from the trunk? (c) Does the kinetic energy of the trunk increase or decrease?
1 AnswerPhysics1 year agoThe figure here shows an overhead view of three horizontal forces acting on a cargo canister that was initially stationary but that now move?
The figure here shows an overhead view of three horizontal forces acting on a cargo canister that was initially stationary but that now moves across a frictionless floor. The force magnitudes are F1 = 2.70 N, F2 = 3.80 N, and F3 = 10.0 N, and the indicated angles are θ2 = 51.0 ˚ and θ3 = 32.0 ˚. What is the net work done on the canister by the three forces during the first 4.10 m of displacement?
1 AnswerPhysics1 year agoA 4.00 kg block is pulled up a frictionless inclined plane by a 62.0 N force that is parallel to the plane, ?
A 4.00 kg block is pulled up a frictionless inclined plane by a 62.0 N force that is parallel to the plane, starting from rest.The normal force on the block from the plane has magnitude 16.9 N.What is the block’s speed when its displacement up the ramp is 2.70 m?
1 AnswerPhysics1 year ago